Equations
An equation has one of these while an inequality has infinite.
What is solution?
Derek biked 25 miles the first day he got his new bike! After the first day, he biked 15 miles a day. He wants to bike a total of 100 miles. Write an equation that can be used to find, d, how many more days he needs to ride to reach his goal.
25 + 15x = 100
n+4>6, n=12 True or False
What is true?
If your inequality says "is greater than", which direction should your arrow go on your graph?
To the right
How many solutions does an inequality have?
infinite
A symbol used to represent the word IS in mathematics.
What is the equal symbol?
Twice a number is 220 less than six times the number. What is the number?
What is 2x=6x-220, x=55?
-8>h-1
What is h<-7 or -7>h?
If your inequality says "is less than or equal to" what kind of circle should you use, empty or full?
Full
What should you do when given a model?
What is write the model algebraically and solve.
Solve for a: 4a+9=7a
What is a=3?
A number increased by 14 is more than 25.
What is n+14>25
p + -5 >-3
p > 2
The phrase "at least" means what?
Greater than or equal to
Why should you never get algebra wrong?
12b-24=-14b+28
What is b=2?
Five times some number is less than 65.
What is 5n<65?
Mia wants to spend no more than $10 on an ad in the paper. The first 10 words cost $3. Find the amount of money m she has left to spend on the ad. Write your answer in a complete sentence.
Mia can spend, at most, 7 more dollars on the ad.
The phrase "at most" means what?
Less than or equal to
An open circle is used to graph these inequalities.
What is is less than and is greater than?
6(c-3)=4(c+2.1)
What is c=13.2?
The question the application problem asks is what the_____________represents?
What is the variable!
(Example: 2x + 5 = 10, $5 for your entree plus $2 per side...what does the 10 represent? What does the x represent? What question could you ask? What questions would not be correct to ask?)
7 - 3x > 10
What is x < -1.
What are the words used...greater than, less than, etc. for inequalities VERSUS the word IS for equations.
Three times the sum of three consecutive integers is 72. What are the integers?
What is 7, 8, and 9?